PX Fast Entry Slow Exit

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2008 October 21

16 female SD rats, on water restriction for 10 days

10 min of 0.125% saccharin, then raised into 14T magnet FAST (1 m/s)

After 30 min, removed from magnet either FAST (1 m/s) or SLOW (0.01 m/s)

Videotape in guinea pig cage for 2 min, return to home cage.

Return water ad lib overnight.

Start 2-bottle preference next day (Oct 22).